CVE-2018-8298 ChakraCore Scripting Engine Type Confusion
Remote attackers can execute arbitrary code by exploiting a memory corruption flaw in the ChakraCore scripting engine.
- Exploited in the wild
- Since 3 Mar 2022
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-8298?
CVE-2018-8298 is a high-severity memory corruption vulnerability in Microsoft Chakracore, published on 11 Jul 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.
Weakness: CWE-843
Which versions are affected by CVE-2018-8298?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.10.1 |
Microsoft.ChakraCore NuGet | All versions | 1.10.1 |
Products include Microsoft Chakracore.
How do I fix CVE-2018-8298?
Upgrade Microsoft.ChakraCore to 1.10.1 or later. US federal agencies must fix it by 17 Mar 2022.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-8298 being exploited?
Yes. Attackers have exploited CVE-2018-8298 in the wild since at least 3 Mar 2022.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-wgw2-wwq8-c7wf.